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Herbaceous Perennial

Iris 'Golden Waves' (Cal-Sib)

iris 'Golden Waves'

An evergreen, rhizomatous perennial to 50cm, with narrow, dark green leaves and light golden-yellow flowers with fine brown veining on the falls

Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Clay
Loam
Moisture
Moist but well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Brown Yellow Green
Autumn Green
Winter Green
Position
  • Partial shade
Aspect

North–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H4
Botanical details
Family
Iridaceae
Native to the UK
No
Foliage
Evergreen
Habit
Clump forming
Potentially harmful
Harmful if eaten. Wear gloves and other protective equipment when handling. Pets: Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus

Iris may be rhizomatous or bulbous perennials, with narrow leaves and erect stems bearing flowers with 3 large spreading or pendent fall petals, alternating with 3 erect, often smaller, standard petals, in late winter, spring or early summer

Name status

Accepted

Horticultural Group
Cal-Sib irises are derived from hybrids between Pacific Coast types and Siberian irises, and are rhizomatous perennials with narrow, usually evergreen leaves and one or two beardless flowers per stem

How to grow

Cultivation

Grow in acid or neutral soil in partial shade with a cool root run where the soil remains damp yet not permanently waterlogged

Propagation

Propagate by division of rhizomes from midsummer to early autumn

Suggested planting locations and garden types
  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Wall side borders
  • Flower borders and beds
Pruning

Remove any dying foliage in autumn, old flower stems can be cut down after flowering

Pests

May be susceptible to slugs, snails and thrips

Diseases

May be susceptible to aphid-borne viruses, bacterial soft rot and grey moulds; see Iris diseases

Get involved

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